OpenCodelists

Welcome to OpenCodelists, created by OpenSAFELY for creating and sharing codelists.

Anybody can also use this tool to create and share codelists. To get started, take a look at the documentation or watch the videos.

If you would like to publish codelists on behalf of an organisation, please get in touch.

Below, you'll find all the codelists that have been used in OpenSAFELY research to date.

All codelists


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Huntington's (ICD-10) ICD-10

Taken from the Huntington's tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.

Published by NHS Digital
Huntington's (SNOMED CT) SNOMED CT

Taken from the Huntington's tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.

Published by NHS Digital
Huntington’s disease codes SNOMED CT

Taken from the HUNT_COD refset published by NHSD.

Hydradenitis supprativa codes SNOMED CT

Taken from the HYDRADENITISSUP_COD refset published by NHSD.

Hydroxychloroquine dm+d

This is a list of NHS dictionary of medicines and devices items for oral hydroxychloroquine.

Published by OpenSAFELY
Hyoscine butylbromide - subcutaneous formulations dm+d

This codelist contains all subcutaneous formulations of hyoscine butylbromide.

Published by OpenSAFELY
Hyoscine hydrobromide subcutaneous dm+d

This code list contains hyoscine hydrobromide formulations which may be given subcutaneously.

Published by OpenSAFELY
Hypertension CTV3

Code indicative of a hypertension diagnosis

Published by OpenSAFELY
Hypertension (SNOMED) SNOMED CT

Automatically-generated equivalent of Hypertension

Published by OpenSAFELY
Hypertension diagnosis codes SNOMED CT

Taken from the HYP_COD refset published by NHSD.

Hypertension resolved codes SNOMED CT

Taken from the HYPRES_COD refset published by NHSD.

Hypopituitary disorder codes SNOMED CT

Taken from the HYPOPITUITARY_COD refset published by NHSD.

Hypothyroidism diagnosis codes SNOMED CT

Taken from the THY_COD refset published by NHSD.

Hypothyroidism exception codes SNOMED CT

Taken from the THYEXC_COD refset published by NHSD.

IBS Read V2
Published by QMUL Multimorbidity